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rtc: constify rtc_class_ops structures

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Check for rtc_class_ops structures that are only passed to
devm_rtc_device_register, rtc_device_register,
platform_device_register_data, all of which declare the corresponding
parameter as const.  Declare rtc_class_ops structures that have these
properties as const.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r disable optional_qualifier@
identifier i;
position p;
@@
static struct rtc_class_ops i@p = { ... };

@ok@
identifier r.i;
expression e1,e2,e3,e4;
position p;
@@
(
devm_rtc_device_register(e1,e2,&i@p,e3)
|
rtc_device_register(e1,e2,&i@p,e3)
|
platform_device_register_data(e1,e2,e3,&i@p,e4)
)

@bad@
position p != {r.p,ok.p};
identifier r.i;
@@
i@p

@depends on !bad disable optional_qualifier@
identifier r.i;
@@
static
+const
 struct rtc_class_ops i = { ... };
// </smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Baruch Siach <baruch@tkos.co.il>
Acked-by: Hans Ulli Kroll <ulli.kroll@googlemail.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Julia Lawall 2016-08-31 10:05:25 +02:00 committed by Alexandre Belloni
parent 637cac7c13
commit 34c7b3ac4c
19 changed files with 19 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/rtc/rtc-at32ap700x.c
View File

@ -187,7 +187,7 @@ static irqreturn_t at32_rtc_interrupt(int irq, void *dev_id)
return ret;
}
static struct rtc_class_ops at32_rtc_ops = {
static const struct rtc_class_ops at32_rtc_ops = {
.read_time = at32_rtc_readtime,
.set_time = at32_rtc_settime,
.read_alarm = at32_rtc_readalarm,

2
drivers/rtc/rtc-coh901331.c
View File

@ -140,7 +140,7 @@ static int coh901331_alarm_irq_enable(struct device *dev, unsigned int enabled)
return 0;
}
static struct rtc_class_ops coh901331_ops = {
static const struct rtc_class_ops coh901331_ops = {
.read_time = coh901331_read_time,
.set_mmss = coh901331_set_mmss,
.read_alarm = coh901331_read_alarm,

2
drivers/rtc/rtc-davinci.c
View File

@ -469,7 +469,7 @@ static int davinci_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
return 0;
}
static struct rtc_class_ops davinci_rtc_ops = {
static const struct rtc_class_ops davinci_rtc_ops = {
.ioctl = davinci_rtc_ioctl,
.read_time = davinci_rtc_read_time,
.set_time = davinci_rtc_set_time,

2
drivers/rtc/rtc-digicolor.c
View File

@ -159,7 +159,7 @@ static int dc_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
return 0;
}
static struct rtc_class_ops dc_rtc_ops = {
static const struct rtc_class_ops dc_rtc_ops = {
.read_time = dc_rtc_read_time,
.set_mmss = dc_rtc_set_mmss,
.read_alarm = dc_rtc_read_alarm,

2
drivers/rtc/rtc-ds1302.c
View File

@ -102,7 +102,7 @@ static int ds1302_rtc_get_time(struct device *dev, struct rtc_time *time)
return rtc_valid_tm(time);
}
static struct rtc_class_ops ds1302_rtc_ops = {
static const struct rtc_class_ops ds1302_rtc_ops = {
.read_time = ds1302_rtc_get_time,
.set_time = ds1302_rtc_set_time,
};

2
drivers/rtc/rtc-gemini.c
View File

@ -110,7 +110,7 @@ static int gemini_rtc_set_time(struct device *dev, struct rtc_time *tm)
return 0;
}
static struct rtc_class_ops gemini_rtc_ops = {
static const struct rtc_class_ops gemini_rtc_ops = {
.read_time = gemini_rtc_read_time,
.set_time = gemini_rtc_set_time,
};

2
drivers/rtc/rtc-jz4740.c
View File

@ -174,7 +174,7 @@ static int jz4740_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
return jz4740_rtc_ctrl_set_bits(rtc, JZ_RTC_CTRL_AF_IRQ, enable);
}
static struct rtc_class_ops jz4740_rtc_ops = {
static const struct rtc_class_ops jz4740_rtc_ops = {
.read_time = jz4740_rtc_read_time,
.set_mmss = jz4740_rtc_set_mmss,
.read_alarm = jz4740_rtc_read_alarm,

2
drivers/rtc/rtc-mcp795.c
View File

@ -151,7 +151,7 @@ static int mcp795_read_time(struct device *dev, struct rtc_time *tim)
return rtc_valid_tm(tim);
}
static struct rtc_class_ops mcp795_rtc_ops = {
static const struct rtc_class_ops mcp795_rtc_ops = {
.read_time = mcp795_read_time,
.set_time = mcp795_set_time
};

2
drivers/rtc/rtc-mt6397.c
View File

@ -301,7 +301,7 @@ static int mtk_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
return ret;
}
static struct rtc_class_ops mtk_rtc_ops = {
static const struct rtc_class_ops mtk_rtc_ops = {
.read_time = mtk_rtc_read_time,
.set_time = mtk_rtc_set_time,
.read_alarm = mtk_rtc_read_alarm,

2
drivers/rtc/rtc-nuc900.c
View File

@ -214,7 +214,7 @@ static int nuc900_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
return 0;
}
static struct rtc_class_ops nuc900_rtc_ops = {
static const struct rtc_class_ops nuc900_rtc_ops = {
.read_time = nuc900_rtc_read_time,
.set_time = nuc900_rtc_set_time,
.read_alarm = nuc900_rtc_read_alarm,

2
drivers/rtc/rtc-omap.c
View File

@ -469,7 +469,7 @@ static void omap_rtc_power_off(void)
mdelay(2500);
}
static struct rtc_class_ops omap_rtc_ops = {
static const struct rtc_class_ops omap_rtc_ops = {
.read_time = omap_rtc_read_time,
.set_time = omap_rtc_set_time,
.read_alarm = omap_rtc_read_alarm,

2
drivers/rtc/rtc-palmas.c
View File

@ -225,7 +225,7 @@ static irqreturn_t palmas_rtc_interrupt(int irq, void *context)
return IRQ_HANDLED;
}
static struct rtc_class_ops palmas_rtc_ops = {
static const struct rtc_class_ops palmas_rtc_ops = {
.read_time = palmas_rtc_read_time,
.set_time = palmas_rtc_set_time,
.read_alarm = palmas_rtc_read_alarm,

2
drivers/rtc/rtc-pcf50633.c
View File

@ -232,7 +232,7 @@ static int pcf50633_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
return ret;
}
static struct rtc_class_ops pcf50633_rtc_ops = {
static const struct rtc_class_ops pcf50633_rtc_ops = {
.read_time = pcf50633_rtc_read_time,
.set_time = pcf50633_rtc_set_time,
.read_alarm = pcf50633_rtc_read_alarm,

2
drivers/rtc/rtc-rx6110.c
View File

@ -317,7 +317,7 @@ static int rx6110_init(struct rx6110_data *rx6110)
return ret;
}
static struct rtc_class_ops rx6110_rtc_ops = {
static const struct rtc_class_ops rx6110_rtc_ops = {
.read_time = rx6110_get_time,
.set_time = rx6110_set_time,
};

2
drivers/rtc/rtc-rx8025.c
View File

@ -403,7 +403,7 @@ static int rx8025_alarm_irq_enable(struct device *dev, unsigned int enabled)
return 0;
}
static struct rtc_class_ops rx8025_rtc_ops = {
static const struct rtc_class_ops rx8025_rtc_ops = {
.read_time = rx8025_get_time,
.set_time = rx8025_set_time,
.read_alarm = rx8025_read_alarm,

2
drivers/rtc/rtc-spear.c
View File

@ -343,7 +343,7 @@ static int spear_alarm_irq_enable(struct device *dev, unsigned int enabled)
return ret;
}
static struct rtc_class_ops spear_rtc_ops = {
static const struct rtc_class_ops spear_rtc_ops = {
.read_time = spear_rtc_read_time,
.set_time = spear_rtc_set_time,
.read_alarm = spear_rtc_read_alarm,

2
drivers/rtc/rtc-stmp3xxx.c
View File

@ -231,7 +231,7 @@ static int stmp3xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
return 0;
}
static struct rtc_class_ops stmp3xxx_rtc_ops = {
static const struct rtc_class_ops stmp3xxx_rtc_ops = {
.alarm_irq_enable =
stmp3xxx_alarm_irq_enable,
.read_time = stmp3xxx_rtc_gettime,

2
drivers/rtc/rtc-tegra.c
View File

@ -291,7 +291,7 @@ static irqreturn_t tegra_rtc_irq_handler(int irq, void *data)
return IRQ_HANDLED;
}
static struct rtc_class_ops tegra_rtc_ops = {
static const struct rtc_class_ops tegra_rtc_ops = {
.read_time = tegra_rtc_read_time,
.set_time = tegra_rtc_set_time,
.read_alarm = tegra_rtc_read_alarm,

2
drivers/rtc/rtc-twl.c
View File

@ -462,7 +462,7 @@ static irqreturn_t twl_rtc_interrupt(int irq, void *rtc)
return ret;
}
static struct rtc_class_ops twl_rtc_ops = {
static const struct rtc_class_ops twl_rtc_ops = {
.read_time = twl_rtc_read_time,
.set_time = twl_rtc_set_time,
.read_alarm = twl_rtc_read_alarm,